package com.sky.mapper;

import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.vo.DishItemVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface SetmealDishMapper {

    /**
     * 根据分类id查询套餐的数量
     * @param id
     * @return
     */
    @Select("select count(id) from setmeal where category_id = #{categoryId}")
    Integer countByCategoryId(Long id);
    /*
    *   根据菜品id查询套餐id
    * */
    List<Long> getSetmealIdsByDishIds(List<Long> ids);
    /*
    *    批量插入套餐和菜品的关联关系
    * */
    void insertBatch(List<SetmealDish> setmealDishes);

    /*
    *   根据套餐id删除套餐和菜品的关联关系
    * */
    @Delete("delete from setmeal_dish where setmeal_id = #{setmealId}")
    void deleteBySetmealId(Long setmealId);
    /*
    *    根据套餐id查询套餐和菜品的关联数据
    * */
    List<DishItemVO> getDishItemBySetmealId(Long id);
}
